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TWO SIGMA INVESTMENTS, LP: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on BIIB, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 7,105 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,105 shares
    Change vs previous 13F -2,339 shares

    <0.01% of the 13F portfolio, value $1,535,106.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 9,444 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. <0.01% of the 13F portfolio, value $1,731,369.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 260,563 shares
    Change vs previous 13F +41,830 shares

    0.04% of the 13F portfolio, value $45,856,482.

    13F-HR 0000899140-26-000232 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 251,763 shares
    • TWO SIGMA ADVISERS, LP: 8,800 shares

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 218,733 shares
    Change vs previous 13F -744,306 shares

    0.03% of the 13F portfolio, value $30,640,119.

    13F-HR 0000899140-25-001286 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 205,233 shares
    • TWO SIGMA ADVISERS, LP: 13,500 shares

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 963,039 shares
    Change vs previous 13F -593,691 shares

    0.12% of the 13F portfolio, value $120,948,068.

    13F-HR 0000899140-25-000964 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 507,539 shares
    • TWO SIGMA ADVISERS, LP: 455,500 shares

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,556,730 shares
    Change vs previous 13F +169,794 shares

    0.24% of the 13F portfolio, value $213,022,933.

    13F-HR 0000899140-25-000680 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 879,330 shares
    • TWO SIGMA ADVISERS, LP: 677,400 shares

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,386,936 shares
    Change vs previous 13F +310,634 shares

    0.24% of the 13F portfolio, value $212,090,253.

    13F-HR 0000899140-25-000265 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 852,336 shares
    • TWO SIGMA ADVISERS, LP: 534,600 shares

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,076,302 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $208,630,380.

    13F-HR 0000919574-24-006611 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 648,702 shares
    • TWO SIGMA ADVISERS, LP: 427,600 shares

    Acceptance time not in the bulk data set (spec §4.2).